समीकरण (x+2y=12) और (x=4) के लिए (y) का मान चुनें।
For the equations (x+2y=12) and (x=4), choose the value of (y).
Explanation opens after your attempt
B. (y=4)
Concept
(4+2y=12), so (2y=8) and (y=4). Apply the same operation on both sides.
Why this answer is correct
The correct answer is B. (y=4). (4+2y=12), so (2y=8) and (y=4). Apply the same operation on both sides.
Exam Tip
(4+2y=12), इसलिए (2y=8) और (y=4)। परीक्षा में दोनों तरफ बराबर क्रिया करें।
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